TotalMarketCap

Realty Income

ONYSE United StatesReal EstateReal Estate Investment Trusts

Market cap

$51.219 B

$54.13 +1.12%

Close of 5 Oct 2026

As of 5 Oct 2026, Realty Income (O) has a market capitalization of $51.2B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$5.75B

#614 by revenue

Earnings

$1.06B

#377 by earnings

Shares outstanding

946,218,033

Latest filing cover page

P/E ratio

48.4

Cap ÷ net income

Real Estate Investment Trusts, ranked by market cap

All 175 →
  1. #6Simon Property GroupSPG$65.0B
  2. #7Public StoragePSA$53.0B
  3. #8Realty IncomeO$51.2B
  4. #9Vivmark ResidentialVMRK$47.1B
  5. #10VentasVTR$43.1B

What if Realty Income were worth as much as…

Open the what-if tool →

Gold $28.7T

$30,340.92

Per share 561× higher

Bitcoin $1.72T

$1,818.40

Per share 33.6× higher

Nvidia $5.64T

$5,958.66

Per share 110× higher

Or at a round number

$100.0B$200.0B$500.0B$1.00T

Where these numbers come from

Share counts and financials for Realty Income are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 6 Oct 2026. Read the methodology.